package com.sdau.soa.service;




import com.sdau.soa.vo.Bj;

import java.util.List;

public interface BjService {

    List<Bj> queryAll();
    Bj queryById(int id);
    boolean insertBj(Bj bj);
    boolean updateBj(Bj bj);
    boolean deleteBj(int id);

}
